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POSIX.1で規定されているシグナル
| シグナルの種類 |
値 |
動作 |
意味 |
| SIGHUP |
1 |
A |
Hangup detected on controlling terminal or death of controlling process |
| SIGINT |
2 |
A |
Interrupt from keyboard |
| SIGQUIT |
3 |
A |
Quit from keyboard |
| SIGILL |
4 |
A |
Illegal Instruction |
| SIGABRT |
6 |
C |
Abort signal from abort(3) |
| SIGFPE |
8 |
C |
Floating point exception |
| SIGKILL |
9 |
AEF |
Kill signal SIGSEGV 11 C Invalid memory reference |
| SIGPIPE |
13 |
A |
Broken pipe: write to pipe with no readers |
| SIGALRM |
14 |
A |
Timer signal from alarm(2) |
| SIGTERM |
15 |
A |
Termination signal |
| SIGUSR1 |
30,10,16 |
A |
User-defined signal 1 |
| SIGUSR2 |
31,12,17 |
A |
User-defined signal 2 |
| SIGCHLD |
20,17,18 |
B |
Child stopped or terminated |
| SIGCONT |
19,18,25 |
|
Continue if stopped |
| SIGSTOP |
17,19,23 |
DEF |
Stop process SIGTSTP 18,20,24 D Stop typed at tty |
| SIGTTIN |
21,21,26 |
D |
tty input for background process |
| SIGTTOU |
22,22,27 |
D |
tty output for background process |
その他のシグナル
| シグナルの種類 |
値 |
動作 |
意味 |
| SIGTRAP |
5 |
CG |
Trace/breakpoint trap |
| SIGIOT |
6 |
CG |
IOT trap. A synonym for SIGABRT |
| SIGEMT |
7,-,7 |
G |
SIGBUS 10,7,10 AG Bus error |
| SIGSYS |
12,-,12 |
G |
Bad argument to routine (SVID) |
| SIGSTKF |
LT -,16,- |
AG |
Stack fault on coprocessor |
| SIGURG |
16,23,21 |
BG |
Urgent condition on socket (4.2 BSD) |
| SIGIO |
23,29,22 |
AG |
I/O now possible (4.2 BSD) |
| SIGPOLL |
|
AG |
A synonym for SIGIO (System V) |
| SIGCLD |
-,-,18 |
G |
A synonym for SIGCHLD |
| SIGXCPU |
24,24,30 |
AG |
CPU time limit exceeded (4.2 BSD) |
| SIGXFSZ |
25,25,31 |
AG |
File size limit exceeded (4.2 BSD) |
| SIGVTAL |
RM 26,26,28 |
AG |
Virtual alarm clock (4.2 BSD) |
| SIGPROF |
27,27,29 |
AG |
Profile alarm clock |
| SIGPWR |
29,30,19 |
AG |
Power failure (System V) |
| SIGINFO |
29,-,- |
G |
A synonym for SIGPWR |
| SIGLOST |
-,-,- |
AG |
File lock lost |
| SIGWINC |
H 28,28,20 |
BG |
Window resize signal (4.3 BSD, Sun) |
| SIGUNUS |
ED -,31,- |
AG |
Unused signal |
動作の意味
| 動作 |
意味 |
| A |
Default action is to terminate the process. |
| B |
Default action is to ignore the signal. |
| C |
Default action is to dump core. |
| D |
Default action is to stop the process. |
| E |
Signal cannot be caught. |
| F |
Signal cannot be ignored. |
| G |
Not a POSIX.1 conformant signal. |
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